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Title:
POLYMERISATION CATALYSTS WITH TRIAZENIDO LIGANDS
Document Type and Number:
WIPO Patent Application WO2004063233
Kind Code:
A3
Abstract:
A polymerisation catalyst comprising (1) a nitrogen-containing transition metal compound of Formula (A), and (2) an organoaluminium or hydrocarbylboron activator, wherein either (a) R<1> and R<2> are monovalent groups or (b) R<1> and R<2 >integrally form a divalent group R<3> bridging the terminal nitrogen atoms of the triazene unit via carbon atoms; R<1> and R<2> and the divalent group R<3> are (i) aliphatic hydrocarbon, (ii) alicyclic hydrocarbon, (iii) aromatic hydrocarbon, (iv) alkyl substituted aromatic hydrocarbon (v) heterocyclic groups and (vi) heterosubstituted derivatives of said groups (i) to (v); M is a metal from Group 3 to 11 of the Periodic Table or a lanthanide metal; X is an anionic group, L is a neutral donor group; n is 1 or 2, y and z are independently zero or integers such that the number of X and L groups satisfy the valencyand oxidation state of the metal M. The catalyst is used to polymerise 1-olefins especially ethylene and propylene. High molecular weight homo- and co-polypropylene are disclosed.

Inventors:
GIBSON VERNON CHARLES (GB)
REARDON DAMIEN FRANCIS (CA)
TOMOV ATANAS KOSTADINOV (GB)
Application Number:
PCT/GB2004/000109
Publication Date:
August 18, 2005
Filing Date:
January 09, 2004
Export Citation:
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Assignee:
INNOVENE EUROP LTD (GB)
GIBSON VERNON CHARLES (GB)
REARDON DAMIEN FRANCIS (CA)
TOMOV ATANAS KOSTADINOV (GB)
International Classes:
C07F7/00; C07F15/04; C08F4/642; C08F4/70; C08F4/80; C08F10/00; C08F110/02; C08F110/06; (IPC1-7): C08F10/00; C08F4/642; C08F4/70; C08F4/80; C07F7/00; C07F15/00
Domestic Patent References:
WO1999005186A11999-02-04
WO2000012568A12000-03-09
WO2001055227A22001-08-02
Other References:
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